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Lab for Envbiroemnt

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Student Sheet

Name: AMALISE CUBERO

Instructor’s Name:

Assignment: SCIE207 Phase 1 Lab Report

Title: Understanding the Scientific Method: Photosynthesis and Cellular Respiration

Instructions: Based on the virtual experiment, you will answer some questions and write a 1-page lab report using the scientific method.

When your lab report is complete, submit this document to your instructor in your assignment box.

Using what you learned on the lab animation, answer the following questions: • Define a hypothesis that is suggested by the data that are collected in the lab. It was predicted that the intensity of light exposure that was given to the Pacific Ocean’s Seaweed, will increase the rate of photosynthesis however none the less but at a specific moment of exposure it will not yield to a quicker process. The goal is to figure out what moment in time this would be and if this is a repeatable conducive.

• What effect does the intensity of light have on the rate of photosynthesis (measured as the number of oxygen bubbles)? • The Hypotheses given in the lab shows the increase in light concentration, an accelerated photosynthesis process went on with the 0-watts to 100-watts. The average number of bubbles in the 0 watt study was 2 bubbles in 1 hour. After the increase of a 25 watts had went up to 5 bubbles in the 1hour. With the increase of another 25 watts equaling to 50 watts now the number of bubbles increased once again to 11 bubbles in total with in the hour. An lastly the 100 watt bulb didn’t make much of a difference leaving the bubble numbers to 12 leaving it pretty steady, proving that a certain moment in the light exposure to a seaweed subjects, the moment in when the bubble numbers have dropped.

• Is it possible to examine the relationship between photosynthesis and

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